2022
Biology
POST UTME
In snails, the hard calcareous shells are secreted by the
A.
radula
B.
ctenidium
C.
pneumostome
D.
mantle
Correct Answer: pneumostome
Explanation
In snails, the hard calcareous shells are secreted by the mantle.
In snails, the hard calcareous shells are secreted by the mantle.
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